Many PS1 games require a specific memory card slot (Slot 1 vs. Slot 2). The standard bin often corrupts save states for multi-disc games ( Final Fantasy IX , Legend of Dragoon ). The "better" version stabilizes the virtual memory card interface, reducing "Save data corrupted" errors by nearly 100%.
: Place the file in your emulator's BIOS folder (common for Miyoo Mini and Batocera ). psxonpsp660bin better